Finding

Definition

Recurrent oral ulceration

Minor aphthous, major aphthous, or herpetiform ulcers observed by the physician or patient, which have recurred at least three times over a 12-month period

Recurrent genital ulceration

Aphthous ulceration or scarring observed by the physician or patient

Eye lesions

Anterior uveitis, posterior uveitis, or cells in the vitreous on slit-lamp examination; or retinal vasculitis detected by an ophthalmologist

Skin lesions

Erythema nodosum observed by the physician or patient, pseudofolliculitis, or papulopustular lesions; or acneiform nodules observed by the physician in a postadolescent patient who is not receiving corticosteroids

Positive pathergy test

Test interpreted as positive by the physician at 24 to 48 hours